172032465 has 32 divisors (see below), whose sum is σ = 307270656. Its totient is φ = 81466560.

The previous prime is 172032451. The next prime is 172032467. The reversal of 172032465 is 564230271.

It is not a de Polignac number, because 172032465 - 2⁸ = 172032209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172032467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5029 + ... + 19218.

It is an arithmetic number, because the mean of its divisors is an integer number (9602208).

Almost surely, 2^172032465 is an apocalyptic number.

172032465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172032465 is a deficient number, since it is larger than the sum of its proper divisors (135238191).

172032465 is a wasteful number, since it uses less digits than its factorization.

172032465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24309.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 172032465 is about 13116.1147067262. The cubic root of 172032465 is about 556.1647642827.

The spelling of 172032465 in words is "one hundred seventy-two million, thirty-two thousand, four hundred sixty-five".